{ "name": "dyn.com", "ipv4": { "url": "http://[USERNAME]:[PASSWORD]@members.dyndns.org/v3/update?hostname=[DOMAIN]&myip=[IP]", "answer": "good|nochg" }, "ipv6": { "url": "http://[USERNAME]:[PASSWORD]@members.dyndns.org/v3/update?hostname=[DOMAIN]&myip=[IP]", "answer": "good|nochg" } }